X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=plugins%2Fcheck_ping.c;h=45108afb8cbe7b446ff602bd450895591d66c6ab;hb=25d1ee331dbe4977a4a1a756c67f32bd51d9b070;hp=bdd394947f8ef4cd326a2bd6fb75fff2d3bbde92;hpb=72ef9a13bfe653dc296bf9dce17442e4a8cc31bf;p=nagiosplug.git diff --git a/plugins/check_ping.c b/plugins/check_ping.c index bdd3949..45108af 100644 --- a/plugins/check_ping.c +++ b/plugins/check_ping.c @@ -1,26 +1,35 @@ -/****************************************************************************** - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - - $Id$ - -******************************************************************************/ +/***************************************************************************** +* +* Nagios check_ping plugin +* +* License: GPL +* Copyright (c) 2000-2007 Nagios Plugins Development Team +* +* Description: +* +* This file contains the check_ping plugin +* +* Use the ping program to check connection statistics for a remote host. +* +* +* This program is free software: you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published by +* the Free Software Foundation, either version 3 of the License, or +* (at your option) any later version. +* +* This program is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with this program. If not, see . +* +* +*****************************************************************************/ const char *progname = "check_ping"; -const char *revision = "$Revision$"; -const char *copyright = "2000-2004"; +const char *copyright = "2000-2007"; const char *email = "nagiosplug-devel@lists.sourceforge.net"; #include "common.h" @@ -50,10 +59,10 @@ int cpl = UNKNOWN_PACKET_LOSS; float wrta = UNKNOWN_TRIP_TIME; float crta = UNKNOWN_TRIP_TIME; char **addresses = NULL; -int n_addresses; +int n_addresses = 0; int max_addr = 1; int max_packets = -1; -int verbose = FALSE; +int verbose = 0; float rta = UNKNOWN_TRIP_TIME; int pl = UNKNOWN_PACKET_LOSS; @@ -71,6 +80,7 @@ main (int argc, char **argv) int this_result = STATE_UNKNOWN; int i; + setlocale (LC_ALL, ""); setlocale (LC_NUMERIC, "C"); bindtextdomain (PACKAGE, LOCALEDIR); textdomain (PACKAGE); @@ -78,6 +88,9 @@ main (int argc, char **argv) addresses = malloc (sizeof(char*) * max_addr); addresses[0] = NULL; + /* Parse extra opts if any */ + argv=np_extra_opts (&argc, argv, progname); + if (process_arguments (argc, argv) == ERROR) usage4 (_("Could not parse arguments")); @@ -86,13 +99,18 @@ main (int argc, char **argv) usage4 (_("Cannot catch SIGALRM")); } - /* handle timeouts gracefully */ + /* If ./configure finds ping has timeout values, set plugin alarm slightly + * higher so that we can use response from command line ping */ +#if defined(PING_PACKETS_FIRST) && defined(PING_HAS_TIMEOUT) + alarm (timeout_interval + 1); +#else alarm (timeout_interval); +#endif for (i = 0 ; i < n_addresses ; i++) { - + #ifdef PING6_COMMAND - if (is_inet6_addr(addresses[i]) && address_family != AF_INET) + if (address_family != AF_INET && is_inet6_addr(addresses[i])) rawcmd = strdup(PING6_COMMAND); else rawcmd = strdup(PING_COMMAND); @@ -111,8 +129,8 @@ main (int argc, char **argv) asprintf (&cmd, rawcmd, addresses[i], max_packets); #endif - if (verbose) - printf ("%s ==> ", cmd); + if (verbose >= 2) + printf ("CMD: %s\n", cmd); /* run the command */ this_result = run_ping (cmd, addresses[i]); @@ -128,8 +146,8 @@ main (int argc, char **argv) else if (pl >= wpl || rta >= wrta) this_result = STATE_WARNING; else if (pl >= 0 && rta >= 0) - this_result = max_state (STATE_OK, this_result); - + this_result = max_state (STATE_OK, this_result); + if (n_addresses > 1 && this_result != STATE_UNKNOWN) die (STATE_OK, "%s is alive\n", addresses[i]); @@ -143,9 +161,18 @@ main (int argc, char **argv) state_text (this_result), warn_text, pl, rta); if (display_html == TRUE) printf (""); - printf ("\n"); - if (verbose) + /* Print performance data */ + printf("|%s", fperfdata ("rta", (double) rta, "ms", + wrta>0?TRUE:FALSE, wrta, + crta>0?TRUE:FALSE, crta, + TRUE, 0, FALSE, 0)); + printf(" %s\n", perfdata ("pl", (long) pl, "%", + wpl>0?TRUE:FALSE, wpl, + cpl>0?TRUE:FALSE, cpl, + TRUE, 0, FALSE, 0)); + + if (verbose >= 2) printf ("%f:%d%% %f:%d%%\n", wrta, wpl, crta, cpl); result = max_state (result, this_result); @@ -194,20 +221,20 @@ process_arguments (int argc, char **argv) switch (c) { case '?': /* usage */ - usage2 (_("Unknown argument"), optarg); + usage5 (); case 'h': /* help */ print_help (); exit (STATE_OK); break; case 'V': /* version */ - print_revision (progname, revision); + print_revision (progname, NP_VERSION); exit (STATE_OK); break; case 't': /* timeout period */ timeout_interval = atoi (optarg); break; case 'v': /* verbose mode */ - verbose = TRUE; + verbose++; break; case '4': /* IPv4 only */ address_family = AF_INET; @@ -339,7 +366,7 @@ get_threshold (char *arg, float *trta, int *tpl) return OK; else if (strpbrk (arg, ",:") && strstr (arg, "%") && sscanf (arg, "%f%*[:,]%d%%", trta, tpl) == 2) return OK; - else if (strstr (arg, "%") && sscanf (arg, "%d%%", tpl) == 1) + else if (strstr (arg, "%") && sscanf (arg, "%d%%", tpl) == 1) return OK; usage2 (_("%s: Warning threshold must be integer or percentage!\n\n"), arg); @@ -391,6 +418,10 @@ validate_arguments () usage2 (_("Invalid hostname/address"), addresses[i]); } + if (n_addresses == 0) { + usage (_("You must specify a server address or host name")); + } + return OK; } @@ -411,6 +442,9 @@ run_ping (const char *cmd, const char *addr) while (fgets (buf, MAX_INPUT_BUFFER - 1, child_process)) { + if (verbose >= 3) + printf("Output: %s", buf); + result = max_state (result, error_scan (buf, addr)); /* get the percent loss statistics */ @@ -444,9 +478,22 @@ run_ping (const char *cmd, const char *addr) rta = crta; /* check stderr, setting at least WARNING if there is output here */ - while (fgets (buf, MAX_INPUT_BUFFER - 1, child_stderr)) - if (! strstr(buf,"WARNING - no SO_TIMESTAMP support, falling back to SIOCGSTAMP")) - result = max_state (STATE_WARNING, error_scan (buf, addr)); + /* Add warning into warn_text */ + while (fgets (buf, MAX_INPUT_BUFFER - 1, child_stderr)) { + if (! strstr(buf,"WARNING - no SO_TIMESTAMP support, falling back to SIOCGSTAMP")) { + if (verbose >= 3) { + printf("Got stderr: %s", buf); + } + if ((result=error_scan(buf, addr)) == STATE_OK) { + result = STATE_WARNING; + if (warn_text == NULL) { + warn_text = strdup(_("System call sent warnings to stderr ")); + } else { + asprintf(&warn_text, "%s %s", warn_text, _("System call sent warnings to stderr ")); + } + } + } + } (void) fclose (child_stderr); @@ -466,10 +513,22 @@ run_ping (const char *cmd, const char *addr) int error_scan (char buf[MAX_INPUT_BUFFER], const char *addr) { - if (strstr (buf, "Network is unreachable")) - die (STATE_CRITICAL, _("CRITICAL - Network unreachable (%s)"), addr); + if (strstr (buf, "Network is unreachable") || + strstr (buf, "Destination Net Unreachable") + ) + die (STATE_CRITICAL, _("CRITICAL - Network Unreachable (%s)"), addr); else if (strstr (buf, "Destination Host Unreachable")) die (STATE_CRITICAL, _("CRITICAL - Host Unreachable (%s)"), addr); + else if (strstr (buf, "Destination Port Unreachable")) + die (STATE_CRITICAL, _("CRITICAL - Bogus ICMP: Port Unreachable (%s)"), addr); + else if (strstr (buf, "Destination Protocol Unreachable")) + die (STATE_CRITICAL, _("CRITICAL - Bogus ICMP: Protocol Unreachable (%s)"), addr); + else if (strstr (buf, "Destination Net Prohibited")) + die (STATE_CRITICAL, _("CRITICAL - Network Prohibited (%s)"), addr); + else if (strstr (buf, "Destination Host Prohibited")) + die (STATE_CRITICAL, _("CRITICAL - Host Prohibited (%s)"), addr); + else if (strstr (buf, "Packet filtered")) + die (STATE_CRITICAL, _("CRITICAL - Packet Filtered (%s)"), addr); else if (strstr (buf, "unknown host" )) die (STATE_CRITICAL, _("CRITICAL - Host not found (%s)"), addr); else if (strstr (buf, "Time to live exceeded")) @@ -492,51 +551,60 @@ error_scan (char buf[MAX_INPUT_BUFFER], const char *addr) void print_help (void) { - print_revision (progname, revision); + print_revision (progname, NP_VERSION); - printf ("Copyright (c) 1999 Ethan Galstad "); + printf ("Copyright (c) 1999 Ethan Galstad \n"); printf (COPYRIGHT, copyright, email); - printf (_("Use ping to check connection statistics for a remote host.\n\n")); + printf (_("Use ping to check connection statistics for a remote host.")); + + printf ("\n\n"); print_usage (); - printf (_(UT_HELP_VRSN)); - - printf (_(UT_IPv46)); - - printf (_("\ --H, --hostname=HOST\n\ - host to ping\n\ --w, --warning=THRESHOLD\n\ - warning threshold pair\n\ --c, --critical=THRESHOLD\n\ - critical threshold pair\n\ --p, --packets=INTEGER\n\ - number of ICMP ECHO packets to send (Default: %d)\n\ --L, --link\n\ - show HTML in the plugin output (obsoleted by urlize)\n"), - DEFAULT_MAX_PACKETS); - - printf (_(UT_TIMEOUT), DEFAULT_SOCKET_TIMEOUT); - - printf (_("\ -THRESHOLD is ,%% where is the round trip average travel\n\ -time (ms) which triggers a WARNING or CRITICAL state, and is the\n\ -percentage of packet loss to trigger an alarm state.\n\n")); - - printf (_("\ -This plugin uses the ping command to probe the specified host for packet loss\n\ -(percentage) and round trip average (milliseconds). It can produce HTML output\n\ -linking to a traceroute CGI contributed by Ian Cass. The CGI can be found in\n\ -the contrib area of the downloads section at http://www.nagios.org\n\n")); - - printf (_(UT_SUPPORT)); + printf (UT_HELP_VRSN); + printf (UT_EXTRA_OPTS); + + printf (UT_IPv46); + + printf (" %s\n", "-H, --hostname=HOST"); + printf (" %s\n", _("host to ping")); + printf (" %s\n", "-w, --warning=THRESHOLD"); + printf (" %s\n", _("warning threshold pair")); + printf (" %s\n", "-c, --critical=THRESHOLD"); + printf (" %s\n", _("critical threshold pair")); + printf (" %s\n", "-p, --packets=INTEGER"); + printf (" %s ", _("number of ICMP ECHO packets to send")); + printf (_("(Default: %d)\n"), DEFAULT_MAX_PACKETS); + printf (" %s\n", "-L, --link"); + printf (" %s\n", _("show HTML in the plugin output (obsoleted by urlize)")); + + printf (UT_TIMEOUT, DEFAULT_SOCKET_TIMEOUT); + + printf ("\n"); + printf ("%s\n", _("THRESHOLD is ,% where is the round trip average travel")); + printf ("%s\n", _("time (ms) which triggers a WARNING or CRITICAL state, and is the")); + printf ("%s\n", _("percentage of packet loss to trigger an alarm state.")); + + printf ("\n"); + printf ("%s\n", _("This plugin uses the ping command to probe the specified host for packet loss")); + printf ("%s\n", _("(percentage) and round trip average (milliseconds). It can produce HTML output")); + printf ("%s\n", _("linking to a traceroute CGI contributed by Ian Cass. The CGI can be found in")); + printf ("%s\n", _("the contrib area of the downloads section at http://www.nagios.org/")); + +#ifdef NP_EXTRA_OPTS + printf ("\n"); + printf ("%s\n", _("Notes:")); + printf (UT_EXTRA_OPTS_NOTES); +#endif + + printf (UT_SUPPORT); } void print_usage (void) { - printf ("Usage: %s -H -w ,%% -c ,%%\n\ - [-p packets] [-t timeout] [-L] [-4|-6]\n", progname); + printf (_("Usage:")); + printf ("%s -H -w ,%% -c ,%%\n", progname); + printf (" [-p packets] [-t timeout] [-4|-6]\n"); }